The two Narrow Angle Cameras (NACs) provide high-resolution (0.5 to 2.0 m/pixel) panchromatic images over a combined 5 km swath. NAC images acquired on consecutive orbits, or occasionally over non-consecutive orbits under very similar lighting conditions (e.g. less than 5° difference in incidence angle and the same sun direction), can be combined to create controlled mosaics. A control network is generated to tie the images to the most accurate ground truth available and a bundle adjustment is performed to correct for pointing errors and image alignment. The images are then map-projected using the GLD100 (WAC derived 100 m/pixel DTM) and LOLA derived crossover corrected ephemeris and mosaicked together into an almost seamless mosaic of the region.

When citing this product, use the following reference:

Klem, S. M., Henriksen, M. R., Stopar, J., Boyd, A., & Robinson, M. S. (2014). Controlled LROC Narrow Angle Camera High Resolution Mosaics. In Lunar and Planetary Science Conference (Vol. 45, abstract #2885).

Site Name Balmer Basin
Center Lat -18.6
Center Lon 69.8
Pixel Scale 1.60 m/px
# Images 8
Incidence Low Sun

Images used, in order of layering from front to back:
Image ID Center Lat Center Lon Incidence Pixel Scale
M1096051458L -18.63 69.26 76° 1.73 m/px
M1096037166R -18.62 70.08 75° 1.58 m/px
M1096030021R -18.61 70.41 74° 1.65 m/px
M1096044312R -18.62 69.76 76° 1.61 m/px
M1096030021L -18.62 70.24 74° 1.67 m/px
M1096044312L -18.63 69.60 76° 1.61 m/px
M1096037166L -18.62 69.92 75° 1.59 m/px
M1096051458R -18.62 69.44 76° 1.75 m/px

Balmer Basin low-Sun controlled NAC mosaic (A)

Mosaic (1.60 m/px) (click for more information)